WorksheetsGenetics Intro
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
long, twisted strand of a molecule that stores genetic material
a)
nucleus
b)
DNA
c)
cells
2.
rods or x-shaped structures made up of the DNA molecule, found in pairs
a)
traits
b)
offspring
c)
chromosomes
d)
genes
3.
Different forms of a gene.
a)
Allele
b)
Trait
c)
Gene
d)
Aquired Trait
4.
Trait that ALWAYS shows up in an offspring.
a)
Recessive allele
b)
Dominant allele
c)
gene
d)
Heterozygous
5.
Two differnt alleles for a trait.
a)
Heterozygous
b)
Homozygous
c)
Dominant allele
d)
Recessive allele
6.
Segment of DNA on a chromosome that codes for specific trait.
a)
Gene
b)
Trait
c)
Allele
d)
Genetics
7.
Two of the same alleles for a trait
a)
Homozygous
b)
Heterozygous
c)
Allele
d)
Gene
8.
Trait that is masked or covered up.
a)
Ressesive
b)
Dominant
c)
Homozygous
d)
Heterozygous
9.
A person's Phenotype is the ___________.
a)
set of genes
b)
passing of traits
c)
physical expression of the gene
d)
allele represented by a capital letter
10.
An allele for a dominant trait i represented by _______.
a)
symbols
b)
numbers
c)
capital letters
d)
lowercase letters
11.
An allele for a recessive trait is represented by __________________.
a)
symbols
b)
numbers
numbers
numbers
c)
capital letters
d)
lower case letters
12.
Name the following
AA
AA
a)
Homozygous Dominant
b)
Homozygous Ressessive
c)
Heterzygous
d)
Heterozygous Dominant
13.
What is
Aa
Aa
a)
Homozygous Domminant
b)
Homozygous Ressesive
c)
Heterzygous
d)
Heterozygous Dominnat
14.
having two identical alleles for a particular gene (HH, hh)
a)
heterozygous
b)
homozygous
c)
multiple alleles
d)
trait
15.
an organism’s physical appearance or visible traits
a)
genotype
b)
phenotype
c)
codominance
d)
trait
16.
The Alleles bb are
a)
Heterozygous
b)
Homozygous Dominant
c)
Homozygous Recessive
17.
The allelles BB are
a)
Heterozygous
b)
Homozygous Recessive
c)
Homozygous Dominant
18.
Which of the following is a Phenotype?
a)
Bb
b)
Brown Eyes
19.
Which of the following is an example of Genotype?
a)
Tt
b)
Tall
20.
Which of the following Genotypes would be considered heterozygous
a)
BB
b)
gg
c)
Ff
d)
TT
100 %
